diff --git a/app/presenters/post_presenter.rb b/app/presenters/post_presenter.rb
index 0e2403700..3891e1960 100644
--- a/app/presenters/post_presenter.rb
+++ b/app/presenters/post_presenter.rb
@@ -20,7 +20,7 @@ class PostPresenter < Presenter
   end
   
   def self.margin_top(post)
-    if post.is_image? && post.image_height > post.image_width && post.image_height < 2 * post.image_width && post.image_height
+    if post.is_image? && post.image_height > post.image_width && post.image_height > Danbooru.config.small_image_width && post.image_height < 1.5 * post.image_width
       ratio = Danbooru.config.small_image_width.to_f / post.image_width.to_f
       offset = ((ratio * post.image_height) - Danbooru.config.small_image_width).to_i / 2
       return "-#{offset}px"